Physics, 17.05.2021 16:50 ashhleyjohnson
Звук взрыва снаряда в озере на расстоянии 2,25 км от наблюдателя достигает наблюдателя как через воду, так и через воздух. Звук с воздуха слышен через 5,8 секунды. Рассчитайте скорость звука в воде.
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Which feature of a heating curve indicates a change ofn state
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Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j
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Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud
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Aperson walks first at a constant speed of 4.89 m/s along a straight line from point a to point b and then back along the line from b to a at a constant speed of 2.95 m/s. what is the average speed over the entire trip?
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Звук взрыва снаряда в озере на расстоянии 2,25 км от наблюдателя достигает наблюдателя как через вод...
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